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Number theory proves to be a virtually inexhaustible source of intriguing puzzle problems - interesting to beginning and advanced readers. Divisors, perfect numbers, the congruences of ...
Basic Math & Pre-Algebra For Dummies, 2nd Edition (9781118791981) is now being published as Basic Math & Pre-Algebra For Dummies, 2nd Edition (9781119293637). While this ...
We are living in a Golden Age of Physics. Forty or so years ago, three brilliant, yet little-known scientists - an American, a Dutchman, and an ...
An introduction to star watching, consisting of a "planisphere", two books and a torch. The planisphere shows the constellations at different times during each night ...
Getting a grip on the creation and ultimate fate of the universe is one of the great scientific stories of the twentieth century. In the ...
